345642871396 has 9 divisors (see below), whose sum is σ = 604877082649. Its totient is φ = 172820847784.

The previous prime is 345642871391. The next prime is 345642871477. The reversal of 345642871396 is 693178246543.

The square root of 345642871396 is 587914.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 108801022500 + 236841848896 = 329850^2 + 486664^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345642871396.

It is not an unprimeable number, because it can be changed into a prime (345642871391) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1028850 + ... + 1322806.

Almost surely, 2^345642871396 is an apocalyptic number.

345642871396 is the 587914-th square number.

It is an amenable number.

345642871396 is a deficient number, since it is larger than the sum of its proper divisors (259234211253).

345642871396 is an frugal number, since it uses more digits than its factorization.

345642871396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587918 (or 293959 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 58.

The spelling of 345642871396 in words is "three hundred forty-five billion, six hundred forty-two million, eight hundred seventy-one thousand, three hundred ninety-six".